2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2015 Oracle, Inc. All Rights Reserved.
7 # Create and populate an XFS filesystem, corrupt a superblock, then see how
8 # the kernel and xfs_repair deal with it.
11 seqres=$RESULT_DIR/$seq
12 echo "QA output created by $seq"
16 status=1 # failure is the default!
17 trap "_cleanup; exit \$status" 0 1 2 3 15
25 # get standard environment, filters and checks
31 # real QA test starts here
35 test -n "${FORCE_FUZZ}" || _require_scratch_xfs_crc
37 _require_populate_commands
38 _require_xfs_db_blocktrash_z_command
41 TESTDIR="${SCRATCH_MNT}/scratchdir"
42 TESTFILE="${TESTDIR}/testfile"
44 echo "+ create scratch fs"
45 _scratch_mkfs_xfs > /dev/null
47 echo "+ mount fs image"
49 blksz="$(stat -f -c '%s' "${SCRATCH_MNT}")"
51 echo "+ make some files"
53 for x in `seq 1 1024`; do
54 touch "${SCRATCH_MNT}/junk.${x}"
55 inode="$(stat -c '%i' "${SCRATCH_MNT}/junk.${x}")"
56 if [ "$x" -gt 512 ] && [ "$((inode % 64))" -eq 0 ]; then
57 mv "${SCRATCH_MNT}/junk.${x}" "${TESTFILE}.1"
61 for x in `seq 2 64`; do
62 touch "${TESTFILE}.${x}"
64 inode="$(stat -c '%i' "${TESTFILE}.1")"
65 agcount="$(_xfs_mount_agcount $SCRATCH_MNT)"
66 umount "${SCRATCH_MNT}"
69 _scratch_xfs_repair -n >> $seqres.full 2>&1 || _fail "xfs_repair should not fail"
71 echo "+ corrupt image"
72 $XFS_IO_PROG -f -c "pwrite -S 0x62 32 4" "${SCRATCH_DEV}" >> $seqres.full
75 _try_scratch_mount 2>/dev/null && _fail "mount should not succeed"
78 _scratch_xfs_repair >> $seqres.full 2>&1
80 echo "+ mount image (2)"
84 $CHATTR_PROG -R -f -i "${SCRATCH_MNT}/"
86 echo "+ modify files (2)"
88 for x in `seq 1 64`; do
89 test -e "${TESTFILE}.${x}" || continue
90 echo moo | dd oflag=append conv=notrunc of="${TESTFILE}.${x}" 2>/dev/null
91 test $? -ne 0 && broken=1
93 echo "broken: ${broken}"
94 umount "${SCRATCH_MNT}"
97 _scratch_xfs_repair -n >> $seqres.full 2>&1 || _fail "xfs_repair should not fail"